Financial Instruments and Fair Value Disclosures (Carrying and FV) (Details) - USD ($)	Mar. 31, 2022	Mar. 31, 2021
Fair value
Carrying Value	$ 662,762,958	$ 591,472,044
Corsair Japanese Financing
Fair value
Carrying Value	37,645,833	40,895,833
Corsair Japanese Financing | Level 2
Fair value
Fair Value	36,904,683	44,298,064
Concorde Japanese Financing
Fair value
Carrying Value	42,269,231	45,500,000
Concorde Japanese Financing | Level 2
Fair value
Fair Value	41,352,417	49,791,680
Corvette Japanese Financing
Fair value
Carrying Value	42,807,692	46,038,462
Corvette Japanese Financing | Level 2
Fair value
Fair Value	41,862,894	50,376,434
CJNP Japanese Financing
Fair value
Carrying Value		16,706,845
CJNP Japanese Financing | Level 2
Fair value
Fair Value		18,792,993
CNML Japanese Financing
Fair value
Carrying Value		18,855,655
CNML Japanese Financing | Level 2
Fair value
Fair Value		$ 21,195,305
Cratis Japanese Financing
Fair value
Carrying Value	49,660,000
Cratis Japanese Financing | Level 2
Fair value
Fair Value	46,716,277
Copernicus Japanese Financing
Fair value
Carrying Value	49,660,000
Copernicus Japanese Financing | Level 2
Fair value
Fair Value	46,716,277
Chaparral Japanese Financing
Fair value
Carrying Value	64,662,242
Chaparral Japanese Financing | Level 2
Fair value
Fair Value	64,321,963
Caravelle Japanese Financing
Fair value
Carrying Value	49,700,000
Caravelle Japanese Financing | Level 2
Fair value
Fair Value	46,792,400
BALCAP Facility
Fair value
Carrying Value	81,574,172
BALCAP Facility | Level 2
Fair value
Fair Value	$ 77,063,912